In other words, it’s a mess, but let’s start with the embargo’s end,
announced last night:

The European Union plans to end its embargo on arming the Syrian opposition,
British Foreign Secretary William Hague said Monday.The Associated Press reports: “Hague insisted that Britain had
‘no immediate plans to send arms to Syria. It gives us flexibility to respond in
the future if the situation continues to deteriorate.’ ”
The EU will continue its sanctions against Bashar Assad’s government, which
had been set to expire on June 1, Hague said.

Russia answered almost immediately, explaining that they want to keep
“hotheads” from interfering in the Syrian civil war: